val stail : string -> string
val shead : string -> string
val arg2list : string -> (string -> 'a) -> 'a list
val split : string -> string * string
val readv : string -> float * float * float
val readf : string -> int list
val mergeVF :
  (float * float * float) array * int list array ->
  ((float * float * float) * (float * float * float) *
   (float * float * float))
  array
val readObj :
  string ->
  ((float * float * float) * (float * float * float) *
   (float * float * float))
  array * (float * float * float) array * int list array
